14358-42-0 AI3-51822 Glyoxal bis(guanylhydrazone) Glyoxal-bis(guanylhydrazone) Guanidine, 1,1'-(ethanediylidenedinitrilo)di- (8CI) Hydrazinecarboximidamide, 2,2'-(1,2-ethanediylidene)bis- (9CI) NSC 111298